we have disturbing new details in the murder-suicide case of nfl player jovan belcher. police tell "the kansas city star" that belcher's mother saw him kiss his girlfriend on the forehead saying he was sorry. seconds after he shot her on saturday. he also kissed his baby daughter and apologized to his own mother. >> kansas city police say belcher legally owned the handgun that he used to kill kasandra perkins and then himself there. are no official numbers, but some players and coaches say 50% to 90% of nfl players own guns. jim axelrod looks at why athletes and firearms go together so often. >> i'm 21 years old, i have a lot of money in one pocket and a gun in the other pocket and i'm saying please leave me alone. >> reporter: this is former pro football player marcellus wiley, a gun control advocate speaking three years ago at the brady center about why he used to carry a gun. >> i remember taking the same gun to the nightclubs, to the restaurants where i would go eat. not to be a villain, but just really in a warped sense of mind, an identity trying to protect myself